package com.samon.netty.echo;
/*
               _.---..._
           ./^         ^-._
         ./^C===.         ^\.   /\
        .|'     \\        _ ^|.^.|
   ___.--'_     ( )  .      ./ /||
  /.---^T\      ,     |     / /|||
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      \ \/    ;  /O  / _    |) )|,
       i \./^O\./_,-^/^    ,;-^,'
        \ |`--/ ..-^^      |_-^
         `|  \^-           /|:
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         _./`._        //    |.  ^-ooo.._
  _.oo../'  |  ^-.__./X/   . `|    | d
				 比克叔叔保佑
				 代码无BUG!
 */

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.util.CharsetUtil;

/**
 * @author Mr.Wu on 2018/9/14
 */
@ChannelHandler.Sharable
public class EchoServerHandler extends ChannelInboundHandlerAdapter {

	@Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
		
		ByteBuf in = (ByteBuf) msg;
		System.out.println("服务端接收: " + in.toString(CharsetUtil.UTF_8));
		ctx.write(in);
	}

	@Override public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {

		System.out.println("服务端读取完成");
		ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
	}

	@Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {

		System.out.println("服务端报错");
		cause.printStackTrace();
		ctx.close();
	}
}
